On the superficial accumulations and surface-markings of North Wales
By A.C. Ramsay. From the Quarterly Journal of the Geological Society, vol. VIII.
Dan l-oġġett huwa pprovdut u miżmum minn National Library of Scotland
Ara fuq il-websajt tal-istituzzjoni fornitriċi
(tiftaħ fit-tieqa l-ġdida)
